本文在分析数字化城市部件空间数据及模型基础上，通过对基础地理信息数据的调用、单元网格的绘制、建库与更新机制等方面的介绍，探讨了数字化城市管理系统中基础数据的建立方法。%In this paper, based on the analysis of digital city components spatial data and model, through introduction of using basic geographic information data, unit grid mapping, database construction and update mechanism and so on, the basic data establishment method in digital city management system is discussed.
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